Mechanical arm assembly and method therefor

Details Mechanical arm assembly and method therefor Mechanical arm assembly and method therefor

2006-04-11

2006-04-11

Watson, Robert C. (Department: 3723)

Implements or apparatus for applying pushing or pulling force

Single throw lever

Mechanically actuated

C254S419000, C254S420000, C254S425000

Reexamination Certificate

active

07025332

ABSTRACT:
A mechanical arm includes a base that mount on a selected support. A proximal arm member has a proximal end portion pivotally secured to the base and a distal end portion pivotally secured to a distal arm member. The base has a first fixed gear element disposed thereon, and a second fixed gear element is disposed on the distal arm member. A drive shaft is rotatably disposed on the proximal arm member and includes a first end portion provided with a first drive gear engaging the first fixed gear element and a second drive gear provided with a second drive gear engaging the second fixed gear element such that rotation of the drive shaft acts to pivot the arm members. A drive acts to rotate the drive shaft.

REFERENCES:
patent: 1399736 (1921-12-01), Benjamins

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